CN110185547A - A kind of rail pressure control system - Google Patents
A kind of rail pressure control system Download PDFInfo
- Publication number
- CN110185547A CN110185547A CN201910546678.2A CN201910546678A CN110185547A CN 110185547 A CN110185547 A CN 110185547A CN 201910546678 A CN201910546678 A CN 201910546678A CN 110185547 A CN110185547 A CN 110185547A
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- CN
- China
- Prior art keywords
- rail pressure
- rail
- pressure
- computing unit
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/31—Control of the fuel pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention discloses a kind of rail pressure control systems comprising rail pressure computing unit, pressure difference computing unit, PID controller, driving unit, fuel metering valve, common rail pipe are connected with rail pressure feed circuit between pressure difference computing unit and common rail pipe.Rail pressure feed circuit acquires the practical rail pressure in common rail pipe and collected practical rail pressure is fed back to pressure difference computing unit；Pressure difference computing unit is based on target rail pressure and practical rail pressure calculates rail pressure pressure difference and target rail pressure, rail pressure pressure difference are sent to PID controller；PID controller obtains the target flow of fuel metering valve based on target rail pressure, is then based on after rail pressure pressure difference is modified target flow and is sent to driving unit；Driving unit is based on target flow and obtains driving current and be supplied to fuel metering valve；Fuel metering valve is based on driving current control fuel oil and enters to the common rail pipe.The present invention realizes the closed-loop control to the driving current of fuel metering valve, improves the real-time matching degree of the rail pressure and engine real-time working condition in common rail pipe.
Description
Technical field
Technical field of automobile engine of the present invention more particularly to a kind of rail pressure control system.
Background technique
ECU is the core component for controlling engine real time execution, is had very to engine control and vehicle safety
Important influence.In ECU controller development process, rail pressure control is one of its core control, in conjunction with high pressure co-rail system
Operation characteristic, rail pressure control demand are broadly divided into following two operating conditions to be assessed.
Steady state condition: engine speed and torque do not change over time, referred to as steady state condition (such as cruise mode).At this
Under kind operating condition, the demand the amount of injection of engine is more stable, and corresponding rail pressure fluctuation needs the smaller the better.Can with steady-state error into
Row is measured.
Transient condition: engine speed and torque that is, are converted with the operating condition of time change between two lower states
Process (accelerate, slow down etc.).The most of the time of engine be all under transient condition, the variation of corresponding demand the amount of injection compared with
Greatly.Control system is needed to have good dynamic characteristic.Overshoot and regulating time can be used as index to measure transient state
It can quality.
The ECU system most of the time all in transient condition, this hydrodynamic component of common rail pipe itself have time lag feature,
Slower feature is fed back, frequency response speed is far below the frequency response speed of electric system, it is therefore necessary to which exploitation is provided
There is the rail pressure control system of quick response, to realize the real-time control to rail pressure, promotes real-time of rail pressure and engine operating condition
With degree.
Summary of the invention
In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of rail pressure control system, particular technique side
Case is as follows:
A kind of rail pressure control system comprising rail pressure computing unit, pressure difference computing unit, PID controller, driving unit,
Fuel metering valve, common rail pipe and rail pressure feed circuit, the rail pressure computing unit, the pressure difference computing unit, the PID control
Device, the driving unit, the fuel metering valve, it is described be successively linked in sequence for rail pipe, the input of the rail pressure feed circuit
End connects the common rail pipe, and the output end of the rail pressure feed circuit connects the input terminal of the pressure difference computing unit；Wherein: institute
The based on engine current working of rail pressure computing unit is stated to generate target rail pressure and send to the pressure difference computing unit；The rail
Pressure feed circuit acquires the practical rail pressure in the common rail pipe and feeds back to the pressure difference computing unit；The pressure difference computing unit
Rail pressure pressure difference is calculated based on the target rail pressure and the practical rail pressure and is sent to target rail pressure, rail pressure pressure difference described
PID controller；The PID controller obtains the target flow of fuel metering valve based on target rail pressure, is then based on rail pressure pressure difference
The target flow is modified and revised target flow is sent to the driving unit；The driving unit is based on
Target flow obtains driving current and is supplied to fuel metering valve；The fuel metering valve is based on the driving current and controls fuel oil
Enter to the common rail pipe.
Rail pressure control system provided by the present invention is realized by the way that rail pressure feed circuit is arranged to fuel metering valve
The closed-loop control of driving current improves the real-time matching degree of the rail pressure and engine real-time working condition in common rail pipe.
Further, the PID controller by searching for rail pressure/flow correspond to table obtain it is corresponding with the target rail pressure
The target flow, the driving unit obtain corresponding with the target flow described by searching for flow/electricity stream correspondence table
Driving current.
Table, flow/electricity stream correspondence table are corresponded to for engine calibration rail pressure/flow of different model, so as to quick obtaining
Target flow signal, driving signal.
It further, further include current feedback circuit, the input terminal of the current feedback circuit connects the fuel oil meter
Valve is measured, the output end of the current feedback circuit connects the driving unit, in which: the current feedback circuit is for acquiring reality
Border driving current simultaneously feeds back to the driving unit；The driving unit is based on the practical driving current and is obtained to it by tabling look-up
The driving current obtained is modified.
By setting current feedback circuit, increase the closed-loop control effect to the driving current of fuel metering valve, thus into
One step improves the matching degree of rail pressure and engine real-time working condition in common rail pipe.
Further, the engine operating condition includes one of engine speed, transmitter torque, accelerator pedal position
Or it is several.
By the one or more of crucial engine operating condition parameters of acquisition to realize the quick obtaining to target rail pressure.
Further, the rail pressure feed circuit includes the rail pressure sensor being arranged in the common rail pipe.
By the way that rail pressure sensor is arranged, the direct acquisition to the practical rail pressure in common rail is realized.
Further, the current feedback circuit includes low-pass filter, the low-pass filter can filter off 10Hz with
On high-frequency current signal.
By the way that low-pass filter is arranged, the interference of rail pressure fluctuation is eliminated, to promote the true of collected current signal
Solidity.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 shows the structural block diagram of the rail pressure control system in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
As shown in Figure 1, the present invention provides a kind of rail pressure control system, for realizing the real-time control to common rail pipe,
To promote the matching degree of rail pressure and engine operating condition in common rail pipe.
The rail pressure control system includes rail pressure computing unit, pressure difference computing unit, PID controller, driving unit, fuel oil meter
Measure valve, common rail pipe and rail pressure feed circuit.Wherein: rail pressure computing unit, pressure difference computing unit, PID controller, driving unit,
Fuel metering valve is successively linked in sequence for rail pipe, and the input terminal of rail pressure feed circuit connects common rail pipe, rail pressure feed circuit it is defeated
The input terminal of outlet connection pressure difference computing unit.
Shown in it is continued to refer to figure 1, the rail pressure control process of the rail pressure control system is as follows:
Step 1: the based on engine current working of rail pressure computing unit, which generates target rail pressure and sends, calculates list to pressure difference
Member.
In certain embodiments, the engine operating condition includes engine speed, transmitter torque, gas pedal position
One or more of set.These engine operating condition parameters and the target rail pressure of common rail pipe (match with engine operating condition
Rail pressure) between meet scheduled quantitative relationship model, therefore by the way that these engine operating condition parameters are substituting to quantitative relationship mould
The target rail pressure of common rail pipe can be calculated in type.
Step 2: rail pressure feed circuit acquires the practical rail pressure in the common rail pipe and feeds back to pressure difference computing unit.
In certain embodiments, the rail pressure feed circuit includes the rail pressure sensing being arranged in the common rail pipe
Device, the rail pressure sensor can directly sense the practical rail pressure in common rail pipe, and pass through analog-to-digital conversion for the practical rail of number
Pressure signal feeds back to the pressure difference computing unit.
Step 3: pressure difference computing unit be based on target rail pressure and practical rail pressure calculate rail pressure pressure difference and by target rail pressure,
Rail pressure pressure difference is sent to the PID controller.
Step 4: PID controller obtains the target flow of fuel metering valve based on target rail pressure, it is then based on rail pressure pressure difference
Target flow is modified and revised target flow is sent to driving unit.
For the engine of different model, manufacturer is provided with rail pressure/flow standard and corresponds to table, therefore, some specific
In embodiment, PID controller corresponds to table by searching for the rail pressure/flow standard can the corresponding mesh of quick obtaining target rail pressure
Mark flow.
It obtains driving current Step 5: driving unit is based on target flow and is supplied to fuel metering valve.
For the engine of different model, manufacturer is provided with flow/current standard and corresponds to table, therefore, some specific
In embodiment, driving unit by searching for the flow/current standard correspond to table can quick obtaining it is corresponding with the target flow
Driving current value.
Step 6: fuel metering valve, which is based on driving current control fuel oil, enters to common rail pipe, to realize to common rail pipe
Rail pressure control.
It can be seen that rail pressure control system provided by the invention from above-mentioned rail pressure control process and electricity fed back by setting rail pressure
Road realizes the closed-loop control to the driving current of fuel metering valve, improves rail pressure and engine real-time working condition in common rail pipe
Matching degree.
Please continue to refer to shown in Fig. 1, in order to increase the closed-loop control effect to the driving current of fuel metering valve, thus into
One step improves the matching degree of rail pressure and engine real-time working condition in common rail pipe.
Optionally, rail pressure control system of the invention further includes current feedback circuit, the input terminal of the current feedback circuit
Fuel metering valve is connected, output end connects the driving unit.Wherein: the current feedback circuit is for acquiring practical driving electricity
It flows and feeds back to driving unit.Driving unit is repaired it by the driving current for acquisition of tabling look-up based on practical driving current
Just.
Since under transient condition, system itself exports unstable and sample frequency the limitation of electric current, cause to sample
Obtained current signal is unable to characterize real-time working condition at that time.Citing, it is assumed that current working use 185Hz driving frequency, one
A waveform is probably 5.4 milliseconds, and if system highest sample frequency is 1ms, the waveform collected is likely to distortion situation occur.
Since the unstable output of electric current is mainly as caused by rail pressure fluctuation, that is, the unstable factor of system mostlys come from liquid
The oscillation that power component generates, we learn that 10Hz frequency below is to cause sampling electricity by the spectrum analysis to whole system
Flow the principal component of fluctuation.
Therefore, in a specific embodiment, the current feedback circuit includes a low-pass filter, the low pass filtered
Wave device can filter off the high-frequency current signal of 10Hz or more, carry out current feedback by using the current feedback circuit and eliminate rail
The influence for pressing fluctuation, to promote the validity of collected current signal.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, according to this
The technical spirit of invention any simple modification, equivalent change and modification to the above embodiments, still fall within skill of the present invention
In the range of art scheme.
Claims (6)
1. a kind of rail pressure control system, which is characterized in that it include rail pressure computing unit, pressure difference computing unit, PID controller,
Driving unit, fuel metering valve, common rail pipe and rail pressure feed circuit, the rail pressure computing unit, the pressure difference computing unit, institute
State PID controller, the driving unit, the fuel metering valve, it is described be successively linked in sequence for rail pipe, rail pressure feedback electricity
The input terminal on road connects the common rail pipe, and the output end of the rail pressure feed circuit connects the input of the pressure difference computing unit
End；Wherein:
The based on engine current working of rail pressure computing unit generates target rail pressure and sends to the pressure difference computing unit；
The rail pressure feed circuit acquires the practical rail pressure in the common rail pipe and feeds back to the pressure difference computing unit；
The pressure difference computing unit be based on the target rail pressure and the practical rail pressure calculate rail pressure pressure difference and by target rail pressure,
Rail pressure pressure difference is sent to the PID controller；
The PID controller obtains the target flow of fuel metering valve based on target rail pressure, is then based on rail pressure pressure difference to described
Target flow is modified and revised target flow is sent to the driving unit；
The driving unit is based on target flow and obtains driving current and be supplied to fuel metering valve；
The fuel metering valve is based on driving current control fuel oil and enters to the common rail pipe.
2. rail pressure control system as described in claim 1, it is characterised in that:
The PID controller corresponds to table by searching for rail pressure/flow and obtains the target flow corresponding with the target rail pressure.
The driving unit obtains the driving current corresponding with the target flow by searching for flow/electricity stream correspondence table.
3. rail pressure control system as claimed in claim 2, which is characterized in that it further includes current feedback circuit, the electric current
The input terminal of feed circuit connects the fuel metering valve, and the output end of the current feedback circuit connects the driving unit,
Wherein: the current feedback circuit is for acquiring practical driving current and feeding back to the driving unit；The driving unit base
It is modified by the driving current for acquisition of tabling look-up in the practical driving current.
4. rail pressure control system as described in claim 1, which is characterized in that the engine operating condition include engine speed,
One or more of transmitter torque, accelerator pedal position.
5. rail pressure control system as described in claim 1, which is characterized in that the rail pressure feed circuit includes being arranged described
Rail pressure sensor in common rail pipe.
6. rail pressure control system as claimed in claim 2, which is characterized in that the current feedback circuit includes low-pass filtering
Device, the low-pass filter can filter off the high-frequency current signal of 10Hz or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546678.2A CN110185547A (en) | 2019-06-24 | 2019-06-24 | A kind of rail pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546678.2A CN110185547A (en) | 2019-06-24 | 2019-06-24 | A kind of rail pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185547A true CN110185547A (en) | 2019-08-30 |
Family
ID=67723010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910546678.2A Pending CN110185547A (en) | 2019-06-24 | 2019-06-24 | A kind of rail pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185547A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120133A (en) * | 2019-12-12 | 2020-05-08 | 一汽解放汽车有限公司 | Control method and device of electric control pressure relief valve, vehicle and storage medium |
| CN112539115A (en) * | 2020-12-08 | 2021-03-23 | 潍柴动力股份有限公司 | Control method and device for oil quantity metering valve |
| CN114526918A (en) * | 2022-02-21 | 2022-05-24 | 中国第一汽车股份有限公司 | Rail pressure control system, method and device for thermodynamic development and storage medium |
| CN116357472A (en) * | 2023-04-13 | 2023-06-30 | 常州易控汽车电子股份有限公司 | Control system for inhibiting rail pressure overshoot during loading and unloading |
| CN118423182A (en) * | 2024-07-04 | 2024-08-02 | 潍柴动力股份有限公司 | Rail pressure control method and system of hydrogen engine, vehicle and medium |
| CN118423182B (en) * | 2024-07-04 | 2024-10-22 | 潍柴动力股份有限公司 | Rail pressure control method and system of hydrogen engine, vehicle and medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775304A (en) * | 1995-02-06 | 1998-07-07 | Zexel Corporation | High-pressure fuel injection system |
| US20050115533A1 (en) * | 2001-05-16 | 2005-06-02 | Kenji Okamoto | Fuel injection device |
| CN102062007A (en) * | 2010-12-22 | 2011-05-18 | 潍柴动力股份有限公司 | Rail pressure control method and rail pressure pre-control method and system for engine |
| CN102182574A (en) * | 2011-02-01 | 2011-09-14 | 潍柴动力股份有限公司 | Method and device for controlling rail pressure in high-pressure common rail system |
| CN106499537A (en) * | 2016-12-31 | 2017-03-15 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of pid parameter self-adjusting control of common rail for diesel engine pressure and device |
| CN107191283A (en) * | 2017-06-30 | 2017-09-22 | 北京工业大学 | A kind of rail pressure control algorithm of diesel high pressure common rail fuel system |
| CN108533414A (en) * | 2018-01-23 | 2018-09-14 | 江苏大学 | A kind of rail pressure control system and its control method based on flow valve electric current |
-
2019
- 2019-06-24 CN CN201910546678.2A patent/CN110185547A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5775304A (en) * | 1995-02-06 | 1998-07-07 | Zexel Corporation | High-pressure fuel injection system |
| US20050115533A1 (en) * | 2001-05-16 | 2005-06-02 | Kenji Okamoto | Fuel injection device |
| CN102062007A (en) * | 2010-12-22 | 2011-05-18 | 潍柴动力股份有限公司 | Rail pressure control method and rail pressure pre-control method and system for engine |
| CN102182574A (en) * | 2011-02-01 | 2011-09-14 | 潍柴动力股份有限公司 | Method and device for controlling rail pressure in high-pressure common rail system |
| CN106499537A (en) * | 2016-12-31 | 2017-03-15 | 南岳电控（衡阳）工业技术股份有限公司 | A kind of pid parameter self-adjusting control of common rail for diesel engine pressure and device |
| CN107191283A (en) * | 2017-06-30 | 2017-09-22 | 北京工业大学 | A kind of rail pressure control algorithm of diesel high pressure common rail fuel system |
| CN108533414A (en) * | 2018-01-23 | 2018-09-14 | 江苏大学 | A kind of rail pressure control system and its control method based on flow valve electric current |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120133A (en) * | 2019-12-12 | 2020-05-08 | 一汽解放汽车有限公司 | Control method and device of electric control pressure relief valve, vehicle and storage medium |
| CN111120133B (en) * | 2019-12-12 | 2022-07-15 | 一汽解放汽车有限公司 | Control method and device of electric control pressure relief valve, vehicle and storage medium |
| CN112539115A (en) * | 2020-12-08 | 2021-03-23 | 潍柴动力股份有限公司 | Control method and device for oil quantity metering valve |
| CN114526918A (en) * | 2022-02-21 | 2022-05-24 | 中国第一汽车股份有限公司 | Rail pressure control system, method and device for thermodynamic development and storage medium |
| CN116357472A (en) * | 2023-04-13 | 2023-06-30 | 常州易控汽车电子股份有限公司 | Control system for inhibiting rail pressure overshoot during loading and unloading |
| CN116357472B (en) * | 2023-04-13 | 2024-07-30 | 常州易控汽车电子股份有限公司 | Control system for inhibiting rail pressure overshoot during loading and unloading |
| CN118423182A (en) * | 2024-07-04 | 2024-08-02 | 潍柴动力股份有限公司 | Rail pressure control method and system of hydrogen engine, vehicle and medium |
| CN118423182B (en) * | 2024-07-04 | 2024-10-22 | 潍柴动力股份有限公司 | Rail pressure control method and system of hydrogen engine, vehicle and medium |
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Application publication date: 20190830 |
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